R-Stamp Repair & Modification Services | Maddox Industrial Group

EXPERT R-STAMP MODIFICATION & REPAIR solutions

We deliver a comprehensive range of shop and field R-Stamp repair and modification services for ASME pressure vessels, brazed aluminum heat exchangers (BAHX), and piping systems—all in strict accordance with National Board Inspection Code (NBIC) guidelines.

Our seasoned teams travel across the United States providing a variety of essential services to our clients including installation, inspection, repair, replacement, and modification to address leaks, corrosion, structural damage, and other issues that may occur over time due to cumulative wear, operational stress, and/or environmental factors.

Whether you require a simple nozzle modification, weld repairs—or a complete, custom-fabricated vessel or heat exchanger—our u-stamp fabrication and r-stamp repair and modification services ensure the safe and efficient operation of your critical equipment to extend longevity and/or enhance performance and efficiency—and maximize uptime.

CONTACT US

Call us today to speak with one of our R-stamp specialists: +1 (317) 870-2400 or click to contact us below:

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ASME Pressure Vessel Repairs

Our work with ASME pressure vessel repairs typically begins with a detailed inspection to assess the extent of damage, followed by meticulous repair work to restore the vessel to its original specifications.

Compliance with ASME codes ensures vessel integrity and safety are maintained during operation.

All work is performed under ASME Section VIII, Div. 1 and individually verified by an Authorized Inspector (AI) to ensure the highest quality repairs, equipment longevity—and uptime.
BAHX Repairs

Brazed aluminum heat exchangers (BAHXs) utilize aluminum braze technology to enhance thermal conductivity and efficiency, which can make repairs more complex.

Following thorough inspection, repairs are performed to address issues such as leaks or blockages.

Our services for brazed aluminum heat exchangers often include brazing and soldering, as well as precision component replacement.

Proper repair ensures your BAHX continues to function optimally, providing effective heat exchange—and avoiding costly downtime.
Materials
MIG's expert teams perform repairs and execute alterations to suit your unique specifications.

Our capabilities include special expertise with the following materials of construction:
- Stainless Steel
- Carbon Steel
- Nickel Alloy
- Duplex
We can also design, engineer, and fabricate new ASME pressure Vessels, TEMA heat exchangers, reactors, distillation columns, tanks, and equipment to suit your needs.
Field Services

Our highly trained field services teams deliver comprehensive R-Stamp Repair & Modification services to customers across the United States including:

• Cold Box Work
• Repairs
• Modifications
• Evaluate existing and new Pressure Vessels, Brazed Aluminum Heat Exchangers (BAHXs)
• Repair existing Pressure Vessels, Brazed Aluminum Heat Exchangers (BAHXs)
• Alter existing and/or new Pressure Vessels, Brazed Aluminum Heat Exchangers (BAHXs)
• Code certified welders
• All discoveries will be discussed with our client before any work begins.
• All Alterations are documented with the NBIC
• All NDT (PT, UT, RT) inspection results will be provided to our clients
• All Pressure Test Results will be provided to our clients
• All repairs/ work will be fully disclosed and documented in a report to our client.
• Travel to all States in the US
Shop Services

MIG delivers expert process piping engineering design services including:

• Can receive any BAHX to our shop for evaluation and repair
• We average a fast turnaround of 2-3 days
• Evaluate Pressure Vessels and BAHXs
• Repair Pressure Vessels and BAHXs
• Alter Pressure Vessels and BAHXs
• Code certified welders
• WPS/ PQS in
• All Alterations are documented with the NBIC
• All discoveries will be discussed with our client before any work begins.
• All NDT (PT, UT, RT) inspection results will be provided to our clients
• All Pressure Test Results will be provided to our clients
• All repairs/ work will be fully disclosed and documented in a report to our client.